mx-2=3x+n(m不等于3)咋做?

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mx-2=3x+n(m不等于3)咋做?
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mx-2=3x+n(m不等于3)咋做?
mx-2=3x+n(m不等于3)咋做?

mx-2=3x+n(m不等于3)咋做?
这题问什么啊? 是X等于多少?
mx-3x=2+n
(m-3)x=2+n
x=2+n/(m-3)

mx-2=3x+n
mx-3x=n+2
x(m-3)=n+2
x=(n+2)/(m-3)

mx-2=3x+n
mx-3x=n+2
(m-3)x=n+2
x=(n+2)/(m-3)

mx-2=3x+n
mx-3x=2+n
x=(2+n)/(m-3)